Features: The case is a nice thick metal structure that feels like it can really take a beating. Better heat dissipation. Design matches your low profile laptop perfectly and is remarkably durable. Extremely compact design makes it easily portable and saves desktop space. This USB C Hub is very powerful, with USB C charging port with power supply, SD card reader, TF card reader, 3 USB 3.0 ports , support for keyboard, mouse, USB driver, external disk connection to my MacBook Pro. It works beautifully with MacBook Pro and matches it as well color wise. Three 3.0 USB ports support up to 5 Gbps transfer rates, connecting to smartphones, tablets and hard drives for easy high-speed data transfer. It supports high speed up to 87W PD charging. This USB C adapter With Thunderbolt 3 pass-through charging port that supports Power Delivery(PD), quickly charge your connected devices while displaying or transferring data, worry-free about power storage. Easily expand SD and TF slots to your PC, supports up to 512G SD card. You can view your photos and videos anytime, anywhere, quickly and easily. Package Includes: 1PC x USB C Adapter Specifications: Weight: 50 grams Size:3x1x9.5cm/1.18x0.39x3.74in Material: aluminum alloy, ABS Color: Space Gray System requirements: laptop with available USB-C port Compatibility: 13-inch and 15-inch MacBook Pro 2016/2017/2018 note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you